fix some breakage of ast_cli() that resulted in seg faults on Josh's machine.

I'm not sure why this never caused problems for me ...


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@38283 65c4cc65-6c06-0410-ace0-fbb531ad65f3

cli.c

@@ -88,6 +88,8 @@ void ast_cli(int fd, char *fmt, ...)
 		}
 		buf->len *= 2;
 		pthread_setspecific(ast_cli_buf_key, buf);
+		va_end(ap);
+		va_start(ap, fmt);
 		res = vsnprintf(buf->str, buf->len, fmt, ap);
 	}
 	va_end(ap);